diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/irq/manage.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 644e8d5fa367..5f92acc5f952 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c | |||
@@ -324,6 +324,10 @@ void enable_irq(unsigned int irq) | |||
324 | if (!desc) | 324 | if (!desc) |
325 | return; | 325 | return; |
326 | 326 | ||
327 | if (WARN(!desc->irq_data.chip || !desc->irq_data.chip->irq_enable, | ||
328 | KERN_ERR "enable_irq before setup/request_irq: irq %u\n", irq)) | ||
329 | return; | ||
330 | |||
327 | chip_bus_lock(desc); | 331 | chip_bus_lock(desc); |
328 | raw_spin_lock_irqsave(&desc->lock, flags); | 332 | raw_spin_lock_irqsave(&desc->lock, flags); |
329 | __enable_irq(desc, irq, false); | 333 | __enable_irq(desc, irq, false); |